ftp.ntua.gr:/debian/dists/stretch-backports/non-free/source/ 
Icon  Name                                      Last modified      Size  
[DIR] Parent Directory                                               -   
[   ] Release                                   18-Jun-2017 11:28  182   
[DIR] Sources.diff/                             27-May-2022 05:23    -   
[   ] Sources.gz                                13-Jul-2020 16:57  9.1K  
[   ] Sources.xz                                13-Jul-2020 16:57  8.2K  
[DIR] by-hash/                                  17-Jun-2017 14:56    -
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